Java developer w systemach płatniczych

We are looking for an experienced Java developer who is highly comfortable with projects using the latest programming technologies. The candidate should have broad knowledge of object-oriented programming and be familiar with microservices architecture.

• Developing applications based on Java technology.
• Creating and optimizing database queries.
• Designing and implementing microservices.
• Implementing solutions to ensure application security.
• Participating in code reviews (Code Review).
• Creating and running unit and integration tests.
• Collaborating with the team on API development.
• Analyzing logs and diagnosing errors.
• Integrating with external systems.

• Senior (minimum 5 years).
• Very good knowledge of Java 17/21.
• Knowledge of object-oriented programming (OOP).
• Experience working with frameworks: Spring Boot, Spring MVC, Spring Data JPA, Spring Security.
• Knowledge of SQL databases: Oracle, PostgreSQL, MS SQL Server.
• Knowledge of REST API and OpenAPI/Swagger.
• Knowledge of development tools: Git, Maven or Gradle, Jenkins, GitLab CI/CD.
• Basic knowledge of microservices architecture.
• Ability to write unit tests (JUnit, Mockito).
• Будет плюсом: Experience in the banking or financial sector; Knowledge of transaction systems and payment processes; Skills in error analysis and diagnosis

• One day a week from the office.
• 160 PLN/hour net + VAT, B2B.